firewood

n [U] wood used for lighting fires or as fuel 木柴.

fire-power, fire-raiser, fire-raising, fire-walker, fire-walking, fire-watcher, fire-water, firearm, fireball, firebrand, firecracker, firedamp (also damp), firedog, firefly, firelight, fireman, firemen, fireplace, fireproof, fireside, firework, firing, firing-line, firing-squad, firm, firmament, firmly, firmness, first, first aid, first and foremost, first balcony, first base, first class, first cousin, first degree, first finger, first floor, first gear, first lady,